[jira] [Resolved] (SPARK-30513) Question about spark on k8s

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-30513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-30513.
----------------------------------
    Resolution: Invalid

Please ask qeustions at dev mailing list or stackoverflow. See https://spark.apache.org/community.html

> Question about spark on k8s
> ---------------------------
>
>                 Key: SPARK-30513
>                 URL: https://issues.apache.org/jira/browse/SPARK-30513
>             Project: Spark
>          Issue Type: Question
>          Components: Kubernetes
>    Affects Versions: 3.0.0
>            Reporter: Jackey Lee
>            Priority: Major
>
> My question is, why we wrote the domain name of Kube-DNS in the code? Isn't
> it better to read domain name from the service, or just use the hostname?
> In our scenario, we run spark on Kata-like containers, and found the code
> had written the Kube-DNS domain. If Kube-DNS is not configured in
> environment, tasks would run failed.
> Besides, kube-dns is just a plugin for k8s, not a required component for k8s. We can use better DNS services without necessarily using this.



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